The IntelliCAD CD-ROM is a 3D modeling and rendering software from Head Games that offers 2D/3D CAD design capabilities for PCs. Version 30005.101 is designed for the US market and provides users with advanced features for creating detailed models and graphics. The CD format allows users to easily install and use the software on their computers for professional design and modeling projects. With IntelliCAD, users can explore and manipulate 3D models with precision and accuracy, making it a valuable tool for architects, engineers, and designers.